Abstract
With the continuous expansion of college campuses, the heating area is increasing, and the demand for heating is also increasing. The heating system needs to face multiple pressures on the environment, resources, safety, and economy. Operation and regulation are the key points of energy saving and emission reduction in college heating in the future. This article analyzes the intermittent operation of the university building system, mainly from the analysis of the heating pipe network zoning setting, the establishment of the heating intermittent operation control mechanism, and the optimization of the intermittent operation adjustment scheme. From the analysis of simulation results of intermittent operation adjustment and optimization schemes, comparison with actual heating energy consumption analysis and energy saving analysis of optimization schemes, it is proposed that intermittent operation control of heating systems has great potential for energy saving.
Highlights
With the continuous expansion of college campuses, the heating area is increasing, and the demand for heating is increasing
According to the research on the intermittent operation time of different building heating, the Energyplus energy consumption simulation software is used to establish the energy consumption model, and the indoor temperature and heating energy consumption of the intermittent heating operation time optimization scheme are simulated, and the energy saving of the optimization scheme is obtained through simulation
Except for the winter vacation from January 20 to March 4, the building needs building heating throughout the day, and there is heating energy consumption, Where the temperature is set to 18 °C indoors during personnel activities, the building heating energy consumption is significantly larger, the use of low temperature heating at night to prevent indoor freezing when the building heating energy consumption is small, the outdoor temperature at night is lower than the outdoor temperature during the day, but due to the indoor The lower temperature setting is 5°C, so the energy consumption of the building at night is low within a reasonable range
Summary
Taking a university in Dezhou, Shandong Province as an example, the university buildings are mainly divided into the following categories: student dormitory buildings, classroom office buildings, student teaching buildings, libraries, teacher apartments, restaurants, etc. According to the function of the building, the heating time of the building is divided, and the heating zoning of the building is reasonably divided according to the heating needs of different buildings. The student dormitory is full-day and needs all-day heating and is a partition; the teaching building is used by students for class, almost concentrated before 10:30 during the day and at night, and is a partition; the teacher ’s office building is the main place for teachers ’working hours According to the difference between teachers 'commuting time and students' work and rest, it is regarded as a partition; the teacher's apartment is a place for teachers to rest, and is divided into a partition according to the teacher's rest and work. The indoor work and rest time is unique, and it is set as a separate zone
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